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Implement focus/blur listeners for NativeSelect.
Fixes vaadin/framework8-issues#332 Change-Id: I19996ea83ed1fbe2b115d92d6be5e6a5e158f283
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Denis Anisimov
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Oct 31, 2016
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client/src/main/java/com/vaadin/client/connectors/AbstractFocusableListingConnector.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,56 @@ | ||
| /* | ||
| * Copyright 2000-2016 Vaadin Ltd. | ||
| * | ||
| * Licensed under the Apache License, Version 2.0 (the "License"); you may not | ||
| * use this file except in compliance with the License. You may obtain a copy of | ||
| * the License at | ||
| * | ||
| * http://www.apache.org/licenses/LICENSE-2.0 | ||
| * | ||
| * Unless required by applicable law or agreed to in writing, software | ||
| * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT | ||
| * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the | ||
| * License for the specific language governing permissions and limitations under | ||
| * the License. | ||
| */ | ||
| package com.vaadin.client.connectors; | ||
|
|
||
| import com.google.gwt.event.dom.client.HasAllFocusHandlers; | ||
| import com.google.gwt.user.client.ui.Widget; | ||
| import com.vaadin.client.ui.ConnectorFocusAndBlurHandler; | ||
| import com.vaadin.shared.data.selection.SelectionModel; | ||
|
|
||
| /** | ||
| * Abstract class for listing widget connectors that contains focusable children | ||
| * to track their focus/blur events. | ||
| * | ||
| * @author Vaadin Ltd | ||
| * | ||
| * @param <WIDGET> | ||
| * widget type which has to allow to register focus/blur handlers | ||
| * @param <SELECTIONMODEL> | ||
| * the client-side selection model type | ||
| */ | ||
| public abstract class AbstractFocusableListingConnector<WIDGET extends Widget & HasAllFocusHandlers, SELECTIONMODEL extends SelectionModel<?>> | ||
| extends AbstractListingConnector<SELECTIONMODEL> { | ||
|
|
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| private ConnectorFocusAndBlurHandler handler; | ||
|
|
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| @Override | ||
| protected void init() { | ||
| handler = ConnectorFocusAndBlurHandler.addHandlers(this); | ||
| } | ||
|
|
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| @Override | ||
| public void onUnregister() { | ||
| super.onUnregister(); | ||
| handler.removeHandlers(); | ||
| handler = null; | ||
| } | ||
|
|
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| @SuppressWarnings("unchecked") | ||
| @Override | ||
| public WIDGET getWidget() { | ||
| return (WIDGET) super.getWidget(); | ||
| } | ||
| } |
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58 changes: 58 additions & 0 deletions
58
client/src/main/java/com/vaadin/client/widgets/FocusableFlowPanelComposite.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,58 @@ | ||
| /* | ||
| * Copyright 2000-2016 Vaadin Ltd. | ||
| * | ||
| * Licensed under the Apache License, Version 2.0 (the "License"); you may not | ||
| * use this file except in compliance with the License. You may obtain a copy of | ||
| * the License at | ||
| * | ||
| * http://www.apache.org/licenses/LICENSE-2.0 | ||
| * | ||
| * Unless required by applicable law or agreed to in writing, software | ||
| * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT | ||
| * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the | ||
| * License for the specific language governing permissions and limitations under | ||
| * the License. | ||
| */ | ||
| package com.vaadin.client.widgets; | ||
|
|
||
| import com.google.gwt.event.dom.client.BlurHandler; | ||
| import com.google.gwt.event.dom.client.FocusHandler; | ||
| import com.google.gwt.event.dom.client.HasAllFocusHandlers; | ||
| import com.google.gwt.event.shared.HandlerRegistration; | ||
| import com.google.gwt.user.client.ui.Composite; | ||
|
|
||
| /** | ||
| * Focusable composite whose widget is {@link ChildFocusAwareFlowPanel} (flow | ||
| * panel that tracks focus/blur events from its children). | ||
| * | ||
| * @author Vaadin Ltd | ||
| * | ||
| */ | ||
| public abstract class FocusableFlowPanelComposite extends Composite | ||
| implements HasAllFocusHandlers { | ||
|
|
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| private final ChildFocusAwareFlowPanel panel; | ||
|
|
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| /** | ||
| * Creates a new instance. | ||
| */ | ||
| protected FocusableFlowPanelComposite() { | ||
| panel = new ChildFocusAwareFlowPanel(); | ||
| initWidget(panel); | ||
| } | ||
|
|
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| @Override | ||
| protected final ChildFocusAwareFlowPanel getWidget() { | ||
| return (ChildFocusAwareFlowPanel) super.getWidget(); | ||
| } | ||
|
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| @Override | ||
| public HandlerRegistration addFocusHandler(FocusHandler handler) { | ||
| return panel.addFocusHandler(handler); | ||
| } | ||
|
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| @Override | ||
| public HandlerRegistration addBlurHandler(BlurHandler handler) { | ||
| return panel.addBlurHandler(handler); | ||
| } | ||
| } |
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